Garmin GNX21 Reman Instrument Display NMEA 2000 Compatible

Garmin GNX21 Reman Instrument Display is rebuilt to Garmin’s exacting standards and designed to connect seamlessly to NMEA 2000 networks. This remanufactured display delivers a versatile, high-contrast data view for sailboats and powerboats, keeping critical information readable in any light.

• Display size and type: 3.3" x 2.4" monochrome LCD with a 4.0" diagonal, designed for easy readability in bright sun or dim light.
• High-contrast digits: Large digits scalable up to 36 mm with a dot-matrix section for wind, depth, speed, and more.
• Glass-bonded anti-glare surface: Reduces fogging and provides superior readability with an anti-glare lens.
• Customizable color digits: Choose from 7 backlight colors or create a custom hue for cockpit readability.
• User profiles and display layouts: Five user profiles and flexible display layouts for sailboats or powerboats, including single, dual, triple function, gauge, and graph modes.
• Auto Scroll: Automatically cycles between pages at a speed you set, keeping essential data accessible hands-free.
• Power and efficiency: Low power consumption—0.35 W in daylight (no backlight) and ~0.4 W at night; ideal for long passages.
• Durability: Marine-grade with IPX7 waterproof rating and rugged construction for salt air, spray, and wide temperatures.
• Mounting and installation: Compact installation with flat or flush mounting for a clean cockpit look; glass-bonded display for durability.
• Network compatibility: NMEA 2000 ready plus NMEA 0183 compatibility for versatile data sharing on your vessel.
• Dimensions and specs: 110 x 115 x 30 mm (4.33" x 4.53" x 1.18"), weight 8 oz, temperature range 5° to 158°F ( -15° to 70°C), compass-safe distance 209 mm (8.25 in.).
• In the box: GNX21 Instrument Display with essential installation hardware, including the GNX 20 trim piece, snap cover, protective cover, and flush mount gasket.

Improve visibility and decision-making at sea with a display designed specifically for marine use. The GNX21’s high-contrast digits and multiple backlight colors keep critical data readable in bright sun or low light, while the five user profiles let you switch between sail and motor setups without reconfiguring from scratch. Auto Scroll ensures you see the latest data as you helm, and the low power draw supports longer passages. Built to withstand salt air and spray with IPX7 protection and flexible mounting, this reman unit delivers Garmin reliability and versatile display options for both sailboats and powerboats.